Ch.3 pt2

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Author:
acandrew
ID:
108856
Filename:
Ch.3 pt2
Updated:
2011-10-14 01:38:43
Tags:
Biological Psychology
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Description:
The Brain
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  1. Brainstem
    Consists of medulla, pons, and midbrain
  2. Mendulla and Pons
    involving in maintaining balance, and regulating heart rate and breathing.
  3. Midbrain
    Involved in modulation of mortor activity
  4. Thalamus
    relay station of the brain, directs signals passing between the body and the brain
  5. Cerebellum
    important for balance, coordination, and preplanned actions
  6. basal ganglia
    reponsible for executing planned actions
  7. Hypothalamus
    regulates the internal enviroment of the body by contolling the autonomic NS. controls hormone levels, and drive states (hunger,thirst)
  8. Amygdala
    involved in emotion regulation and fear
  9. Hippo Campus
    important for memory, especially forming new memories, and spatial memories (giving directions)
  10. Cingulate Cortext
    Social Behavior
  11. Cortext
    • divided into two hemisphere
    • contralaterally organized: information from the right side of body is processed on the left and vice versa.
  12. Corpus Callosum
    band of tissue that connects the two hemispheres and allows them to communicate.
  13. Primary Sensory Areas
    Primary visual cortex, primary auditory cortex, somatosensory cortex
  14. motor cortex
    sends signals to the motor neurons, controls motion
  15. assoication cortex
    integrate sensory information to perform complex functions
  16. topographic organization
    adjacent portions of cortex control adjacent body parts (dovoted more to areas with more sensitivity)
  17. Frontal Lobe
    • involved in motion and higher order cognition, such as reasoning, planning, and language production
    • also involved in mood and personality
    • notable areas: prefrontal cortex, morotor cortex, broca's area
  18. pariental Lobe
    • important for touch sensation, perception, orbject recognition, and number representation
    • notable area: Somatosensory cortex
  19. temporal lobe
    • imporatant for auditory sensation, understanding language, and storing autobiographical memory
    • notable areas; primary auditory cortex, wernicke's area
  20. Occipital lobe
    • important for vision
    • notable area: primary visual cortex
  21. Aphasias: Broca's aphasia and Werninickes aphasia
    • Broca's Aphasia: inablilty to produce speech
    • Wernickes aphasia: inability to comprehend speech
  22. Lateralization
    some funtions are only processed by one hemisphere

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